<!DOCTYPE html>
<meta charset="UTF-8">
<html>
<head>
	<title>속성다루기</title>
	<script type="text/javascript" src="./js/sample11.js"></script>
</head>
<body>
<div id="test_1" style="color: red; font-size: 14px;" data-value="data1" >
	테스트1-1
</div>
</body>
</html>